MISSED QUIZ ? EXAM 4 Flashcards by Aliyah Gutierrez

Which of the following stimulates the formation of the platelet plug?

A. von Willebrand factor
B. ADP
C. Thromboxane A2
D. All of the choices are correct.

D. All of the choices are correct.

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Sympathetic stimulation of cholinergic fibers in the arterioles of skeletal muscle will produce ____.

A. Vasodilation
B. No effect
C. Vasoconstriction

A. Vasodilation

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Reactive hyperemia is ____.

A. Increased blood flow due to increased metabolism
B. Increased blood flow after removal of constriction due to accumulated metabolic products
C. Increased blood flow due to sepsis
D. All of the choices are correct

B. Increased blood flow after removal of constriction due to accumulated metabolic products

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Arterial blood pressure is influenced by ____.

A. Vasoconstriction in the peripheral arterioles
B. Increased heart rate
C. Increased stroke volume
D. All of the choices are correct

D. All of the choices are correct

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After several tests are performed, a patient is diagnosed with left-sided heart failure. Signs and symptoms in her history and testing should include ____.

A. All of the choices are correct
B. Decreased cardiac output
C. Difficulty breathing
D. Feelings of fatigue upon exertion

A. All of the choices are correct

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Left side heart failure may be caused by ________.

A. myocardial infarction
B. aortic valve stenosis
C. incompetent aortic and mitral valves
D. All of the choices are correct.

D. All of the choices are correct.

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Cardiogenic shock can result from ______.

A. Parasympathetic antagonists
B. Myocardial infarction
C. Increased cardiac output
D. Increased sympathetic outflow to the heart

B. Myocardial infarction

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Blood flow is increased by _____.

A. Vasoconstriction
B. Vasodilation
C. Edema
D. Hypotension

B. Vasodilation

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Incontinence could develop as a result of ________.

A. pressure on the detrusor muscle
B. poor bladder compliance
C. damage to the external urethral sphincter
D. All of the choices are correct.

D. All of the choices are correct.

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The presence of renin secreting tumors may cause ________.

A. hypertension
B. increased aldosterone secretion
C. increased renal sodium reabsorption
D. All of the choices are correct.

D. All of the choices are correct.

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What is the major hematopoietic organ in the fetus?

A. Spleen
B. Liver
C. Kidneys
D. Red bone marrow

B. Liver

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Following musculoskeletal surgery on the lower extremity, oftentimes a return to ambulation (walking) is prescribed as soon as possible to reduce edema. Why?

A. Increases muscular hypertrophy similar as with most exercise
B. Promotes fluid return via alternating pressures created by muscular contractions
C. Increases mechanical stimulation to fibroblasts and tissue repair
D. Promotes the inflammatory response and thus speeds healing

B. Promotes fluid return via alternating pressures created by muscular contractions

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Which of the following is NOT a granulocyte?

A. Monocyte
B. Neutrophil
C. Basophil
D. Eosinophil

A. Monocyte

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Which of the following cells produces antibodies?

A. Basophil
B. Plasma Cell
C. Neutrophil
D. Monocyte

B. Plasma Cell

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What occurs when the pressure in the ventricles drops below the pressure of the atria?

A. SL valves open
B. AV valves open
C. AV valves close
D. SL valves close

B. AV valves open

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Which organ secretes erythropoietin?

A. Liver
B. Lungs
C. Bone marrow
D. Kidneys

D. Kidneys

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Coronary bypass surgery is performed ____.

A. To limit myocardial ischemia
B. To decrease blood pressure
C. To correct an aneurysm
D. To limit blood flow into a damaged coronary artery

A. To limit myocardial ischemia

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Which of the following is NOT a mechanism by which angiotensin II raises blood pressure?

A. Causing vasodilation in arterioles
B. Stimulating the thirst center in the hypothalamus
C. Increasing peripheral resistance
D. Stimulating production of aldosterone

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A. Causing vasodilation in arterioles

Angiotensin-converting enzyme (ACE) inhibitors like captopril block the formation of angiotensin II, thus reducing ________.

A. renal excretion
B. renal reabsorption
C. vasoconstriction
D. vasodilation

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C. vasoconstriction

According to the Frank-Starling Law of the heart, as contraction strength increases the stroke volume ________.

A. Increases
B. Decreases
C. Shows no change

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A. Increases

Net filtration would be decreased by ________.

A. liver damage
B. increased cellular metabolism
C. hypotension
D. increased hepatic protein synthesis

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C. hypotension

Elephantiasis is caused by ________.

A. myxedema
B. obstruction of lymphatic drainage
C. decreased plasma protein concentration
D. high arterial blood pressure

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B. obstruction of lymphatic drainage

What is the main force that causes fluids to enter the venous end of a capillary?

A. Hydrostatic pressure in the capillary
B. Colloid osmotic pressure in the capillary (blood plasma)
C. Hydrostatic force in the interstitial fluid
D. Colloid osmotic pressure in the interstitial fluid

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B. Colloid osmotic pressure in the capillary (blood plasma)

Endothelin causes ________.

A. No effect
B. Vasoconstriction
C. Vasodilation

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B. Vasoconstriction

The steroid hormone secreted by the adrenal cortex, which stimulates salt reabsorption in the kidneys is ________. A. Angiotensin B. ADH C. Renin D. Aldosterone

D. Aldosterone

Why is pulse pressure a better indicator of cardiovascular health than blood pressure alone? A. It takes into account the fact that diastole is longer than systole. B. It accounts for the perfusion of blood to the visceral organs. C. It shows the summation of both systolic and diastolic pressures to indicate overall blood volume. D. It is a better predictor for essential hypertension in patients.

B. It accounts for the perfusion of blood to the visceral organs.

The rhythmicity center is located in the ____. A. Pons B. Medulla oblongata C. Cerebral cortex D. Midbrain

B. Medulla oblongata

The metabolic regulation of blood pH occurs in _____ A. The lungs B. The liver C. All organs D. The kidneys

D. The kidneys

When alveolar ventilation increases, the perfusion of pulmonary arterioles will ________. A. Remain unchanged B. Decrease C. Increase

C. Increase

Pulmonary circulation is a ________ resistance and ________ pressure pathway. A. high; low B. low; high C. low; low D. high; high

C. low; low

Normal venous PO2 is ________. A. 46 mm Hg B. 100 mm Hg C. 85 mm Hg D. 40 mm Hg

D. 40 mm Hg

The tubular filtrate osmolality ________ as it flows through the ascending limb of the nephron loop. A. increases B. remains unchanged C. decreases

C. decreases

What structures carry urine from the kidneys to the urinary bladder? A. Pyramids B. Urethras C. Ureters D. Calyces

C. Ureters

Neurohypophyseal secretion of ________ stimulates formation of concentrated urine. A. Aldosterone B. Antidiuretic hormone C. Angiotensin I D. Renin

B. Antidiuretic hormone

The minimum urine volume needed to excrete metabolic wastes produced by the body is referred to as ________. A. obligatory water loss B. renal plasma threshold C. renal autoregulation D. renal transport minimum

A. obligatory water loss

If the glomerular filtration rate decreased, one would expect to see a corresponding ________ clearance rate. A. increased plasma protein B. decreased plasma glucose C. increased plasma urea D. decreased plasma creatinine

D. decreased plasma creatinine

Angiotensin-converting enzyme is mostly present in the capillaries of the ________. A. adrenal medulla B. kidneys C. liver D. lungs

D. lungs

The efferent arteriole delivers blood to the ________. A. peritubular capillaries B. vasa recta C. juxtaglomerular apparatus D. glomerulus

A. peritubular capillaries

An autoimmune disease that attacks the basement membranes of the glomerular capillaries could result in ________. A. increased tubular osmolality B. increased permeability to sodium in the distal convoluted tubules C. increased plasma colloid osmotic pressure D. increased permeability to water aquaporins in the collecting duct

A. increased tubular osmolality

Hypotension would induce ________ afferent arterioles. A. vasodilation of B. no change in C. vasoconstriction of

A. vasodilation of

People with diabetes mellitus have polyuria because they ________. A. have inadequate amounts of ADH B. have greater oncotic pressure in the kidney tubules C. drink a lot of water D. have inadequate amounts of aldosterone

B. have greater oncotic pressure in the kidney tubules

Excessive aldosterone secretion would induce ________. A. decreased plasma potassium B. decreased plasma sodium C. decreased plasma chloride D. no change in plasma ion balance

A. decreased plasma potassium

Increased stimulation of the renin-angiotensin-aldosterone system will trigger which of the following to occur? A. Increased transport of sodium into the urine B. Decreased plasma osmolality C. Increased tubular osmolality D. Increased transport of potassium into the urine

D. Increased transport of potassium into the urine

Diuretics ________. A. primarily act on the distal convoluted tubule B. induce hypertension C. decrease urine production D. primarily act on the proximal convoluted tubule

A. primarily act on the distal convoluted tubule

MISSED QUIZ ? EXAM 4 Flashcards

(44 cards)