Final Exam - Misc

One mechanism the kidney uses to raise BP is to
A) increase filtration
B) decrease aldosterone
C) increase renin
D) all of these

Increased aldosterone causes the kidneys to produce
A) all of these
B) urine with decreased Na+
C) urine with decreased K+
D) increased urine volume

Excess H+ is eliminated by
A) buffers
B) sweating
C) kidneys
D) the feces

Functions of the urinary system include
A) conservation of nutrients
B) regulation of BV/BP
C) all of these
D) stabilizattion of pH

Metabolic acidosis can be componsated for by
A) increased kidney reabsorption of bicarbonate
B) increased renal secretion of H+ ions
C) increased respiratory rate
D) all of these

Metabolic acidosis can be
A) compensated for by kidney H+ secretion
B) compensated for by increased renal absorption
C) all of these
D) caused by diabetes

During ventricular systole, the
A) ventricles relax
B) AV valves are closed
C) atria contract
D) blood enters the ventricles

The network of capillaries in the renal capsule is called the
A) peritubular capillaries
B) vasa recta
C) glomerulus
D) fenestrated capillaries

The process of filtration is driven by
A) all of these
B) blood pressure
C) active transport
D) solvent drag

Metabolic acidosis can be compensated by
A) neither of these
B) increasing renal secretion of H+ and bicarbonate
C) both of these
D) increasing respiratory rate

How long do RBC live in the body?
A. two months (60 days)
B. three months (90 days)
C. four months (120 days)
c. five months (150 days)

Who has brown fat? What is it used for?

What does the Herring Breur reflex do?
A. stops exhalation before residual volume is exhaled
B. keeps the body breathing while unconscious
C. stops inspiration to prevent over stretching the lungs

How is cardiac muscle different from skeletal muscle?
a. never goes into tetanus
b. never fatigues
c. does not rely on the central nervous system
d. a and b
e. b and c

Why are gap junctions important in cardiac muscle?

Gap junctions are located where?