3.08 Communication and Coordination Module Three Exam

Mike has suffered brain damage after only a light blow to the head. Mike could have ___________ cerebrospinal fluid in the ____________ nervous system.

Too little; central

A scientist runs a chemical analysis of two nerve tissues. Tissue A contains a greater composition of fat and protein than tissue B. What is the identity of the two tissues?

A = white matter; B = gray matter

Enlarged pinnae would have which effect on the body?

Decrease a person's ability to hear because pinnae funnel sound into the ear canal

What part of the brain is responsible for making you feel hungry?

Hypothalamus

Which of the following functions is correctly paired with its nervous system division?

Increases heart rate—sympathetic

Which part of a reflex arc would connect a sensory neuron from the face and neck to a motor neuron in a lower section of the spinal cord?

Interneuron

Which of the following correctly identifies letter D on the diagram above?

Medulla oblongata

What is the correct order of a signal being transmitted across a neuromuscular junction?

Neuron—neurotransmitter—receptor protein—motor end plate

Burning temperatures, such as those of a hot stovetop, are perceived by which component of a reflex arc?

Receptor

A person's kidneys start secreting renin. This hormone is known to

Regulate blood pressure

What is occurring in the endocrine system during a "fight or flight" response?

Release of adrenaline by the adrenal glands

Sensory nerves are fibers that

Send signals toward the central nervous system

A man feels anxious and frightened because he senses that someone is following him home. Once he safely reaches home and locks the door, his heart and respiratory rate slow. Which parts of the nervous system were activated during these events, and in which order?

Sympathetic; parasympathetic

What is the structure labeled with the question mark?

Synaptic vesicle with neurotransmitter

The structure labeled with "C" is called

Ventral root