Test #3

Question 1

This hormone is called a mineralcorticoid because it helps regulate the concentration of mineral elecrolytes, such as sodium and potassium ions.

Answer 1

Aldosterone

Question 2

Ca+2 is required during coagulation in the

Answer 2

Common pathway
Intrinsic Pathway
Extrinsic Pathway

Question 3

Which hormone is released in response to low levels of calcium in the bloodstream?

Answer 3

PTH

Question 4

Which is involved for the extrinsic pathway of blood clotting?

Answer 4

a. Tissue factor III
b. Tissue damage
c. Ca+2

Question 5

Gonadotropin releasing hormone stimulates the release of which of the following from the anterior pituitary?

Answer 5

Follicle stimulating hormone

Luteinizing hormone

Question 6

Which of the following changes in plasma levels would be observed in a primary hyposecretion of cortisol?

Answer 6

Increased CRH, increased ACTH, and decreased cortisol

Question 7

An individual with bulging eyes (exophthalmos) may

Answer 7

Be secreting excessive thyroid hormone

Question 8

Blood clots are primarily made of a protein called_______

Answer 8

Fibrin

Question 9

One major target of antidiuretic hormone is

Answer 9

The kidneys

Question 10

Which of the following hormones targets the anterior pituitary?

Answer 10

GHIH

Question 11

Spermatogenesis is directly stimulated by

Answer 11

Both LH and testosterone

Question 12

Which of the following hormones affects fluid and blood volume?

Answer 12

Aldosterone

Vasopressin

Question 13

13. Insulin is secreted by the ______ cells of the ______.

Answer 13

Beta; pancreas

Question 14

Steroid and thyroid hormones have receptors that are located ______ of the target cell.

Answer 14

In the ICF or

In the Nuleus

Question 15

What is the function of plasmin?

Answer 15

Dissolve blood clots

Question 16

If an individual takes large amounts to testosterone for a period of time, which of the following hormones would you expect to find in decreased concentration in the blood?

Answer 16

a. Gonadotropin releasing hormone
b. Luteinizing hormone
c. Follicle stimulating hormone

Question 17

Chronic hypersecretion of a hormone can lead to _______ the receptor for that chemical messenger on the target cell.

Answer 17

Down regulation of

Hypo responsiveness of

Question 18

Which disorder represents a hyposecretion disorder?

Answer 18

Addisons disease

Diabetes insipidus

Question 19

Which of the listed signal transduction mechanisms could not be initiated with a water-soluble chemical messenger?

Answer 19

Gene activation

Question 20

Place the following stages of hemostasis in order

1. Platlet plug formation
2. Coagulation
3. Fibrinolysis
4. Clot retraction
5. Vasoconstriction

Answer 20

5,1,2,4,3
Vasoconstriction
Platlet plug formation
Coagulation
Clot retraction
Fibrinolysis

Question 21

Diabetes mellitus is a disease that involves insulin and how it affects the body. Which of the following statements correctly describes the differences between type I and type II diabetes mellitus?

Answer 21

People with type 2 are most often diagnosed during adulthood while type 1 is diagnosed early in life

Question 22

Which of the following hormones is not released from the adrenal gland?

Answer 22

Somatotropin

Question 23

Choose the targets for vasopressin

Answer 23

Kidneys

Blood vessels

Question 24

Choose the signal transduction mechanism used by ACH to initiate skeletal muscle contraction

Answer 24

Gene activation

Question 25

Gluconeogenesis may be stimulated by which of the following hormones?

Answer 25

Glucagon | Cortisol

Question 26

A person is diagnosed with hypothyroidism and his T3 T4 TSH and TRH all measure lower than normal values. What is the most likely diagnosis?

Answer 26

Tertiary hypo thyroidism

Question 27

What controls oxytocin release?

Answer 27

Hypothalamus action potentials

Question 28

A peptide hormone that is responsible for stimulating sperm development by the testis is:

Answer 28

Follicle stimulating hormone

Question 29

Which phase of the general adaptation syndrome includes elevated levels of cortisol and aldosterone?

Answer 29

Resistance phase

Question 30

What triggers erythropoietin release?

Answer 30

Decreased blood oxygen levels

Question 31

Choose the enzyme that begins the common pathway of coagulation

Answer 31

Prothrominase

Question 32

Synthesis of red blood cells is called _____ and occurs in the ______

Answer 32

Erythropoiesis: bone marrow

Question 33

What is defined as a decrease in the oxygen-carrying capacity of blood?

Answer 33

Anemia

Question 34

_______ inhibits the release of glucagon

Answer 34

high plasma glucose

Question 35

Prolactin releasing hormone (PRH) is produced in the

Answer 35

Hypothalamus

Question 36

Aldosterone stimulates

Answer 36

Na+ reabsorption | K+ secretion

Question 37

All hormones must be bound to a carrier/escort protein in the blood plasma in order to travel to target cells

Answer 37

False

Question 38

Regulation of insulin release by blood glucose levels is an example of humoral control of hormone secretion.

Answer 38

True

Question 39

Insulin receptors are located on plasma membranes

Answer 39

True

Question 40

A tumor stimulating over secretion of hormones by the parathyroid gland would cause plasma Ca 2+ to increase.

Answer 40

True

Question 41

Dopamine is released from the hypothalamus and the adrenal cortex

Answer 41

False

Question 42

Women have more erythrocytes than men due to higher levels of estrogen

Answer 42

False

Question 43

Androgen insensitivity represents a hypo secretion disorder

Answer 43

False

Question 44

The signal transduction mechanism used for steroid hormones is initiated with a tyrosine kinase receptor

Answer 44

False

Question 45

One consequence of stress-induced cortisol secretion is hypertension.

Answer 45

True