Download BIO_130_132_Test_Questions_files/Bio 132 test 3

SUFFOLK COUNTY COMMUNITY COLLEGE
Bio 132 - Anatomy & Physiology II
Third Examination Questions
1.
Blood flows from:
a. an area of higher pressure to an area of lower pressure
b. capillaries to the venules
c. arteries to the arterioles
d. all of the above
e. none of the above
2.
The cavity that surrounds the heart :
a.
pericardial cavity
b.
pleural cavity
c.
thoracic cavity
d.
e.
3.
The AV node of the heart is located in :
a. right atrial wall
d. right ventricular wall
b. left atrial wall
e. left ventricular wall
c. Bundle of His
4.
Atrial depolarization is initiated at the:
a.
VA node
d. SV node
b.
SA node
e. Bundle of His
c.
AV node
5.
Which of the following carry oxygenated blood:
a. pulmonary vein
b. pulmonary artery
c. inferior vena cava
d. superior vena cava
e. all of the above carry oxygenated blood
6.
The P-wave of an EKG is caused by:
a. atrial repolarization
b. ventricular systole
c. spread of action potential through the atria
d. spread of action potentials through the ventricles
e. repolarization of the ventricles
Abdominal cavity
Peritoneal cavity
7.
During Isovolumetric ventricular contraction:
a. the AV valves are closed and the aortic and pulmonary
valves are open
b. the volume of blood in the ventricle is decreasing
c. the pressure in the ventricle is falling
d. the arterial pressure is rising
e. all four heart valves are closed
8.
The second heart sound is associated with the:
a. vibration of the ventricular musculature
b. closure of the tricuspid valve
c. closure of the bicuspid valve
d. opening of the semilunar valves
e. None of the above
9.
If systolic pressure is 150 mm Hg and diastolic pressure is
70 mm Hg, the pulse pressure equals:
a. 20 mmHg
d. 115/70 mmHg
b. 220 mmHg
e. 185 mmHg
c. 80 mmHg
10.
Stroke volume equal:
end-diastolic volume minus end-systolic volume
end-diastolic volume plus end-systolic volume
end-diastolic volume times end-systolic volume
end-diastolic volume divided by end-systolic volume
none of the above
a.
b.
c.
d.
e.
11.
12.
Which of the following occurs during ventricular systole :
a.
The ventricles are in a period of repolarization.
b.
The ventricular blood pressure decreases dramatically.
c.
The first heart sound is heard.
d.
The ventricles are undergoing Isovolumetric relaxation.
e.
The semilunar valves remain closed.
Stimulation of the vagus nerve:
a.
increases conductivity of the heart
b.
increases heart rate
c.
decreases contractility
d.
increases blood pressure
e.
increases frequency of action potentials
13.
If a patient has a heart rate of 60 beats per minute, and
a stroke volume of 70ml.The cardiac output would be approximately:
a.
6000 ml/min
d. 5250 ml/min
b.
4200 ml/min
e. 5320 ml/min
c.
5700 ml/min
14.
Which kind of vessel has the highest blood pressure?
a.
inferior vena cava
d. capillaries
b.
pulmonary arteries
e. superior vena cava
c.
pulmonary veins
15.
A 28 year old female was on an 18 hour plane ride to Hawaii.
She also takes birth control pills that put her at higher risk for blood clots. She
suddenly developed a 10/10 headache . She is likely to have what diagnosis?
a. Acid reflux
b. Myocardial infarction
c. Pulmonary embolism
d. Cerebral vascular accident
e. None of the above
16. What activity is this person most likely doing?
a. Sleeping
b. Eating.
c. Running
d. Reading
e. None of the above
17. What is this person’s heart rate? (See above)
a. 200 bpm
b. 150 bpm
c. 100 bpm
d. 75 bpm
e. can not tell
18. This person will
a. Be sleeping
b. Watching TV
c. Be unconscious and in need of a defibrillator.
d. In a very excited state
e. Exercising
19. An increased afterload reduces the heart's ejection fraction.
a. True /False
20. A 48 y/o male with a known diagnosis of right sided CHF. He is prescribed Lasix to
help with the swelling and edema in his lower extremities. Its mechanism of
action inhibits sodium reabsorption thus increasing water excretion. This will
help someone in heart failure because
a. it will increase afterload
b. it will decrease preload
c. it will increase blood pressure
d. it will increase preload
e. all of the above
21. Beta blockers
a. increasing sympathetic input to the heart
b. decrease contractility of the ventricles
c. increase heart rate
d. decrease time heart is in diastole
e. none of the above
22. What are possible causes of hypotension?
a. Low protein diet
b. Hemorrhage
c. medication
d. all of the above
e. b and c
23. Which of the following is a false statement about the Baroreceptor reflex?
a. an increase in blood pressure stimulates the cardioacceleratory center in the
brain
b. a decrease in blood pressure stimulates the cardioinhibitory center in the
brain
c. an increase in blood pressure inhibits the cardioacceleratory center of the
brain
d. A and B
e all of the above
24. Venous return will be reduced the most by which of the following
a. diaphragmatic breathing
b. Doing a hand stand
c. hold your breath ( Valsalva maneuver)
d. running
e. all of the above will have equal effects
25. Cardiac output can increase with strenuous exercise 7 fold. What must occur for this
to happen?
a. Parasympathetic nervous system is stimulated
b. Sympathetic nervous system is stimulated
c. Heart rate must decrease
d. End Systolic volume must increase
e. All of the above will occur
26 . Which is the first branch of the aorta?( Hint - The heart wants to feed itself first)
a. Brachiocephalic trunk
b. Left common carotid
c. Coronary arteries
d. Right subclavian
e. None of the above
27. The right ventricle of the heart is thicker than the left. T/F
28 . Starlings Law of the heart states that:
a. The greater the stretch of the ventricle myocardium the greater the force
of contraction.
b. The more blood returning to the heart the greater the stroke volume
c. A slower heart rate will increase ventricular filling
d. All of the above
e. None of the above
29.
The type of epithelium found in the urinary bladder and ureters is:
a.
simple squamous
d. transitional
b.
cuboidal
e. stratified squamous
c.
ciliated columnar
30.
The glomerulus is located in what part of the kidney:
a. medulla
d. pelvis
b. pyramids
e. calyx
c. cortex
31.
Which of the following substances is NOT normally found in
glomerular filtrate?
a.
electrolytes
d. urea
b.
glucose
e. albumin
c.
amino acids
32 . Elevated levels of Angiotensin II will increase both preload and afterload.
True /False
33. Many diuretic drugs, such as furosemide (Lasix), function as a diuretic by:
a. dilating the afferent arteriole.
b. inhibiting Na+ reabsorption.
c. blocking the secretion of ADH.
d. decreasing the reabsorption of glucose.
e. stimulating Na2+ reabsorption.
34. Given the following conditions: glomerular blood hydrostatic pressure = 85 mm Hg,
capsular hydrostatic pressure = 15 mm Hg, and blood osmotic pressure = 25 mm Hg, the
effective filtration pressure would be:
a.
0 mm Hg
d. 40 mm Hg
b.
125 mm Hg
e. none of the above
c.
45 mm Hg
35.
The presence of proteins in the urine indicates a problem with:
a. glomerular filtration
c. tubular reabsorption
b. tubular secretion
d. incontinence
36.
The kidney contributes to the maintenance of acid-base balance when the
body’s pH becomes to alkaline by secreting which of the following into the filtrate?
a. hydrogen ion
d. sodium ions
b. bicarbonate ion
e. potassium ions
c. urea
37. The glomerular filtrate rate will________ following consumption of a six pack of
alcohol.
a. increase
b. decrease
c. remain the same
38. A 50 year old male who had recently had a heart attack was readmitted to the ER
with symptoms including, jugular venous distension and swelling in the lower
extremities is displaying signs of?
a.
Left sided heart failure
b.
Right sided heart failure
c.
another heart attack
d.
hypertension
e.
not cardiac related.
39. Atrial Natriuretic Hormone (ANH)
a. Decreases Na+ permeability of the CD
b. Inhibit Aldosterone release
c. Dilates the afferent arterial and constricts the efferent thus increasing GFR.
d. all of the above
e. none of the above
40. Angiotensin Converting Enzyme inhibitors (ACE)
a. decrease blood pressure
b. decrease sodium reabsorption
c decrease preload
d. decrease afterload
e. all of the above