final Flashcards
(80 cards)
The amino group of amino acids is incorporated into a nitrogenous waste called:
a. creatine b. creatinine c. urea d. uric acid
c. urea
The portion of a neuron that contains the majority of the cytoplasm, nucleus and organelles is the:
a. axon b. dendrite c. perikaryon d. synapse
c. perikaryon
. Which of the following is a characteristic of cardiac muscle fibers?
a. they are involuntary b. they are voluntary
c. they contain nerve fibers interwoven within the myocardium
d. they contain calmodulin
a. involuntary
Compared to cardiac muscle fibers, skeletal muscle fibers:
a. are involuntary
b. are voluntary
c. are stimulated by the ANS
d. are stimulated by sympathetic neurotransmitters
b. are voluntary
Which of the following is not a step in the formation of urine?
a. filtration
b. reabsorption
c. secretion
d. micturition
d. micturition
Secretion takes place in the:
a. glomerulus
b. Bowman’s capsule
c. the renal corpuscle
d. the renal tubule
d. renal tubule
Which of the following is not a function of the kidneys?
a. Production of epinephrine
b. Secretion of renin
c. Release of erythropoietin
d. calcium homeostasis
a. production of epinephrine
The blood-filtering structure of the kidney is called the __________.
a. glomerular capsule
b. renal tubule
c. glomerulus
d. nephron
c. glomerulus
The urine-forming units of the kidney are the __________.
a. glomerular capsules
b. renal tubules
c. glomeruli
d. nephrons
d. nephrons
Which of the following factors contribute(s) to the higher filtration rate in the glomerular capillaries compared with other capillary beds?
a. The glomerular capillaries are sinosoidal.
b. The diameter of the efferent arteriole is smaller than the diameter of the afferent arteriole.
c. The visceral layer of the glomerular capsule is impermeable to fluids and solutes.
d. All of the above contribute
b. the diameter of the efferent arteriole is smaller than the diameter of the afferent arteriole
Which of the following substances would not be found in normal urine?
a. Uric acid
b. Urea
c. Casts
d. Creatinine
c. casts
Which of the following processes in urine formation is most important for regulating blood pH?
a. Secretion
b. Reabsorption
c. Filtration
d. Excretion
a. secreation
Which of the following constitutes a nitrogenous waste component of urine that is a product of muscle catabolism?
a. uric acid b. urea c. creatinine d. creatine e. all of these
c. creatinine
Which of the following is a not a nitrogenous waste produced during direct phosphorylation of ADP during muscle metabolism?
a. Lactic acid b. Uric acid c. Urea d. Creatine e. all of these
e. all of these
Which of the following processes results in the removal of nitrogenous groups from amino acids?
a. deglutition b. denaturation c. deamination d. decarboxylation
c. deamination
The majority of reabsorption during urine formation occurs in the:
a. Bowman’s capsule b. glomerulus
c. renal tubule d. afferent arteriole
c. renal tubule
The sympathetic division is part of which of these?
a. Autonomic nervous system
b. Central nervous system
c. Enteric nervous system
d. Peripheral nervous system
a. ANS
A general neurotransmitter involved in brain function and perception of pain is _______.
a. acetylcholine b. acetyl-CoA
c. glutamate d. pyruvate
c. glutamate
Diploid bodily cells are called:
a. gametes b. somatic cells
c. spermatids d. homologs
b. somatic cells
Which of the following is a nociceptor?
a. Merkel disc b. pain receptor
c. baroceptor d. Meissner corpuscle
b. pain receptor
Which of the following is not a neurotransmitter?
a. acetlycholine b. epinephrine c. norepinephrine d. acetylcholine esterase
d. acetylcholine esterase
Which of the following is an example of awareness and sensation, but not perception?
a. a pebble in one’s shoe is noticed, it becomes painful and one consciously decides to remove the pebble
b. a pebble in one’s shoe is noticed, it becomes painful, but nothing is done about it; it is ignored
c. a pebble in one’s shoe is noticed, it is not painful, but one consciously decided to remove the pebble
d. oxytocin levels increase in a male following orgasm, his “partner” asks him to take out the trash, but he consciously decides to ignore the request and goes for a ride on his Harley
b. a pebble in ones shoe is noticed it becomes painful but nothing is done about it; its ignored
Sister chromatids are formed after:
a. nuclear division
b. cell division
c. replication
d. transcription
e. sex
c. replication
The retina is lined with specialized afferent neurons called ________.
a. photoreceptors
b. proprioceptors c. baroceptors
d. nociceptors
a. photoreceptors


