Question 2 Which of the following conditions at the atrioventricular node will cause a decrease i
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Question 2
Which of the following conditions at the atrioventricular node will cause a decrease in heart rate?
Increased calcium permeability
Increased norepinephrine levels
Decreased acetylcholine
Increased sodium permeability
Increased potassium permeability
Question 5
Parasympathetic (vagal) nerve stimulation can cause ____________.
Increased transmission of impulses
Increased heart rate
Tachycardia
Decreased heart rate
Question 9
From the AV bundle, the impulse goes into the ___________.
Purkinje fibers
Sinoatrial node
Internodal pathway
AV node
Question 11
The Q-T interval represents _______________________
Ventricular relaxation
Ventricular contraction
Atrial flutter
Atrial contraction
Question 18
The sympathetic nervous system/catecholamines, cause ____ in the resistance of the afferent arterioles and ______ in the resistance of the efferent arterioles resulting in ____ in the glomerular filtration rate during conditions such as severe hemorrhage
Increase, increase, decreased
Decrease, decrease, increase
Decrease, increase, increase
Increase, increase, increase
Decrease, decrease, Decrease,
Question 23
A 50-year-old man has been having fainting “spells” for about 2 weeks. During the fainting episodes, his electrocardiogram shows a ventricular beat of 25 per minute and 100 P waves per minute. After about 30 seconds of fainting, a normal sinus rhythm reoccurs. Which is likely diagnosis
Third-degree atrioventricular block/ Stokes Adams Syndrome
Atrial flutter
Second-degree atrioventricular block
Question 25
Hypoxic conditions can result in ______.
Atrial flutter
Atrial fibrillation
Cardiac arrest
Ventricular fibrillation
First-degree atrioventricular block
Question 30
The most important kidney functions include: (Select All that Apply)
Excretion of metabolic
Regulation of acid base balance
Exertion of drugs and toxins
Gluconeogenesis
Triglyceride digestion
Question 31
Creatinine is a waste product of _______ metabolism while uric acid is a waste product from _______ metabolism
Muscle, nucleic acid
Protein, urea
Protein, nucleic acid
Protein, carbohydrate
Muscle, protein
Question 33
Select the sequential pathway of the blood through the arteries of the kidney
Interlobar-Renal artery – segmental artery – arcuate arteries – interlobular/cortico-radiate artery
Renal artery – interlobar artery- arcuate arteries – segmental artery – interlobar artery
Renal artery – segmental artery – interlobar artery – accurate arteries –
Renal artery – interlobar artery – segmental artery – accurate arteries – interlobular/cortico-radiate artery
Question 46
Autoregulation of glomerular filtration rate allows it to stay at a relatively constant level despite large fluctuation in arterial pressure.
True
False
Question 47
Hydrostatic pressure in the Bowman’s capsule can drastically increase by _________.
Kidney stones
Tubular necrosis
Urinary tract obstruction
Tubular obstruction
Question 49
Prerenal AKI results in more than ————— of all acute kidney failures.
40%
5%
30%
50%
20%
SCIENCE
HEALTH SCIENCE
NURSING
BIOL 5333
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