Parathyroid Hormone Does Not Cause

question 79

Multiple Choice

Parathyroid hormone does not cause

• A)kidneys to resorb Ca²⁺ from the urine.
• B)the activation of vitamin D.
• C)increased blood calcium levels by stimulating osteoclasts to dissolve bone.
• D)acceleration of heartbeat.

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Definitions:

Sleep Spindles

Sudden bursts of oscillatory brain activity visible on an EEG that occur during stage 2 of sleep, believed to play a role in learning and memory.

Stage 4

In various contexts, this could represent a specific phase in a process or development path, such as the fourth stage of sleep characterized by deep sleep or another sequential phase depending on the context.

REM

Rapid Eye Movement, a sleep phase characterized by eye movement, vivid dreams, and increased brain activity.

Evolutionary Bases

Fundamental principles or underlying grounds for traits or behaviors that have been shaped by natural selection.