Which muscle(s) that regulate(s) micturition is/are under involuntary control?

A) detrusor and the external urethral sphincter
B) external urethral sphincter
C) internal urethral sphincter
D) detrusor and the internal urethral sphincter
E) detrusor


Answer: D) detrusor and the internal urethral sphincter

Anatomy & Physiology

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The salivary glands under the tongue are called the

A) submandibular glands B) sublingual glands C) parotid glands D) submaxillary glands

Anatomy & Physiology

What evidence lends support to the hypothesis that in a species, males generally have lower immunotolerance than females?

A) Males die younger. B) When males are treated with testosterone implants, a decrease in immunotolerance is observed. C) When males are treated with cholesterol implants, an increase in immunotolerance is observed. D) The slower the maturity rate, the lower the immunotolerance.

Anatomy & Physiology

Gas emboli may occur because a ________.

A) person holds his breath too long B) diver holds his breath upon ascent C) pilot holds her breath upon descent D) person breathes pure oxygen in a pressurized chamber

Anatomy & Physiology

A dominant allele is best defined as ________

A) the healthy allele sometimes referred to as the wild type allele B) the allele that is most frequently expressed in a given population C) the stronger of two matched alleles D) an allele that stops or hides the expression of the other allele

Anatomy & Physiology