The following is a list of the blood vessels that carry blood to the kidney: 1. afferent arteriole 2. arcuate artery 3. interlobar artery 4. renal artery 5. glomerulus 6. cortical radiate artery 7. efferent arteriole 8. peritubular capillary The proper order in which blood passes through these vessels is

A) 4, 6, 2, 3, 1, 5, 7, 8.
B) 4, 3, 2, 6, 1, 5, 7, 8.
C) 4, 3, 2, 6, 7, 5, 1, 8.
D) 4, 6, 2, 3, 7, 5, 1, 8.
E) 4, 3, 6, 2, 1, 5, 7, 8.


B) 4, 3, 2, 6, 1, 5, 7, 8.

Anatomy & Physiology

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The stretch reflex, or myotatic reflex, is provoked by activation of which of the following in a stretched muscle?

A. muscle spindles B. Golgi tendon organs C. both A and B D. neither A nor B

Anatomy & Physiology

The ejaculatory duct is formed by the

A. ampulla and the proximal portion of the seminal vesicle. B. ampulla and the prostatic urethra. C. ductus deferens and the ducts of the prostate gland and bulbourethral glands. D. ampulla and the distal portions of the bulbourethral glands. E. ductus deferens and the ducts of the prostate gland.

Anatomy & Physiology

Antigens that induce an allergic reaction are called

a) lymphotoxin b) perforin c) granulysin d) interleukin-1 e) allergen

Anatomy & Physiology

The following are the main steps in the generation of an action potential:

1. sodium channels are inactivated 2. more voltage-regulated potassium channels open and potassium moves out of the cell, initiating repolarization 3. sodium channels regain their normal properties 4. a graded depolarization brings an area of an excitable membrane to threshold 5. a temporary hyperpolarization occurs 6. sodium channel activation occurs 7. sodium ions enter the cell and further depolarization occurs The proper sequence of these events is A) 6, 7, 4, 1, 2, 3, 5. B) 2, 4, 6, 7, 1, 3, 5. C) 4, 6, 7, 1, 2, 5, 3. D) 4, 2, 5, 6, 7, 3, 1. E) 4, 6, 7, 3, 2, 5, 1.

Anatomy & Physiology