UTA A&P II EXAM QUESTIONS
AND ANSWERS ALL CORRECT
Which of the following would have the greater effect on vascular resistance? (meaning
increase r the most?)
a- decreasing diameter of blood vessel by 1/2
b- doubling the length of a blood vessel
c- neither would be greater - Answer- a- decreasing diameter of blood vessel by 1/2
Each of the following factors would increase cardiac output, except:
a- decreased parasympathetic stimulation of the heart
b- stimulation of the heart by epinephrine
c- increased venous return
d- increased sympathetic stimulation of the heart
e- increased blood concentration of glucose - Answer- e- increased blood concentration
of glucose
Jane goes to the doctor to determine her blood type. The results show agglutination of
Jane's blood with anti-b antiboides and anti-RH antibiodies. What is Jane's blood type?
a- O+
b- A+
c- A-
d- B+
e- B- - Answer- d- B+
Which of the following statements about blood is FALSE?
a- blood is slightly warmer than normal body temp
b- blood contains buffers that control pH
c- blood is more viscous than water
d- the normal pH of blood is 6.8-7.0
e- cells in blood comprise the formed elements - Answer- d- the normal pH of blood is
6.8-7.0
The pituitary hormone that promotes egg development in ovaries in sperm development
in testes is :
a- ACTH
B- FSH
C- GH
D- LH
,E- TSH - Answer- B- FSH
The long plateau phase of the cardiac muscle action potential is due to :
a- movement of fewer sodium ions across the cell membrane
b- decrease in the amount of calcium diffusing across the membrane
c- increased membrane permeability to potassium ion
d- increased membrane permeability to sodium ions
e- calcium channels remaining open - Answer- e- calcium channels remaining open
Which of these statements about melatonin is FALSE?
a- exposure to light inhibits production
b- made from serotonin
c- exposure to light stimulates production
d- controls circadian rhythms
e- produced by pinealocytes - Answer- c- exposure to light stimulates production
The muscular layer of a blood vessel is the
a- tunica adventitia
b- tunica externa
c- tunica intima
d- tunica media
e- tunica interna - Answer- d- tunica media
If the force of ventricular contraction increases, what will happen to the end-systolic
volume?
a- it will increase
b- it will fluctuate rapidly
c- it will reduce to zero
d- it will remain the same
e- it will decrease - Answer- e- it will decrease
Parathyroid hormone does all of the following EXCEPT that it doesn't:
a- build up bone
b- enhance the reabsorption of calcium at the kidneys
c- stimulate osteoclast activity
d- inhibit osteoblast activity
e- stimulate the formation and secretion of calcitrol at the kidneys - Answer- a- build up
bone
Tissue factor is a factor in the ____ pathway; while clotting factor XII is the ___
pathway:
a- intrinsic, extrinsic
b- extrinsic, intrinsic
c- extrinsic, common
d- common, intrinsic
e- common, extrinsic - Answer- b- extrinsic, intrinsic
, Put the steps of the action potential in the heart muscle cells in order:
1. fast na channels open
2. cardiac cells repolarize
3. plateau stage bengs
4. slow ca channels open
5. slow k channels open
6. cardiac cell depolarizes
a- 6,5,1,4,3,2
b- 5,6,1,3,4,2
c- 4,6,1,3,5,2
d - 6,1,3,4,2,5
e- 1,6,4,3,5,2 - Answer- e- 1,6,4,3,5,2
Blood moves forward through veins because of all of the following EXCEPT:
a- valves in the veins preventing backward flow of blood
b- respiratory pump
c- increased resistance due to small vessel diameter
d- pressure in the veins lower than in the arteries
e- muscular compression - Answer- c- increased resistance due to small vessel
diameter
Liver cells respond to growth hormones by releasing:
A-glucocorticoids
B- gonadotropins
C-insulin-like-growth factors
d- prostaglandins
e- hepatic hormones - Answer- C-insulin-like-growth factors
The following is a list of vessels and structures that are associated with the heart.
1. blood enters RA
2. LA
3. RV
4. LV
5. Vena Cava
6. aorta
7. pulmonary trunk
8. pulmonary veins
What is the correct order for the flow of blood entering from the PULMONARY
circulation?
A - 5, 1, 3,8, 7, 2, 4, 6
b - 5, 3, 1, 7, 8, 4, 2, 6
c - 1, 2, 7, 8, 3, 4, 6, 5
d - 1, 7, 3, 8, 2, 4, 6, 5
e - 8, 2, 4, 6, 5, 1, 3, 7 - Answer- e - 8, 2, 4, 6, 5, 1, 3, 7
