BIOL 223 Exam 1 Review (CSN-Erin
Windsor) Questions With Revised Answers.
A plane that divides the body into superior and inferior parts is known as a:
a) Transverse (horizontal) plane
b) Midsaggital (median) plane
c) Saggital plane
d) Frontal (coronal) plane - answera) Transverse (horizontal...
A plane that divides the body into superior and inferior parts is known as a:
a) Transverse (horizontal) plane
b) Midsaggital (median) plane
c) Saggital plane
d) Frontal (coronal) plane - answer✔✔a) Transverse (horizontal) plane
What are the two subcavities of the dorsal body cavity?
a) Cranial and vertebral (spinal) cavities
b) Abdominal and pelvic cavities
c) Thoracic and adbominopelvic cavities
d) Pleural and pericardial cavities - answer✔✔a) Cranial and vertebral (spinal) cavities
Select the appropriate directional term to complete this sentence: The skeletal muscles are
___________ to the skin.
a) Superficial
b) Posterior
c) Inferior (caudal)
d) Deep - answer✔✔d) Deep
In laboratory, you will study tissues. This area of study is known as:
a) Histology
b) Gross anatomy
c) Physiology
Which directional term indicates the front side of the body?
a) Superior (cranial)
b) Anterior (ventral)
c) Posterior (dorsal)
d) Medial - answer✔✔b) Anterior (ventral)
What major organs are housed in the thoracic cavity?
a) Lungs, heart, esophagus, trachea
b) Stomach, intestines, liver, pancreas
c) Brain and spinal cord
d) Urinary bladder, reproductive organs - answer✔✔a) Lungs, heart, esophagus, trachea
The point of the shoulder is also known as the:
a) Antebrachial region
b) Acromial region
c) Brachial region
d) Digital region - answer✔✔b) Acromial region
What results when more calories are ingested than expended in an organism?
a) Movement
b) Irritability
c) Growth
d) Excretion - answer✔✔c) Growth
How does the effector restore homeostasis in a negative feedback loop?
a) The effector causes a rapid change in a variable
b) The effector opposes the initial stimulus and shuts off when conditions return to the normal
range
c) The effector amplifies the response, but does not continue indefinitely
d) The effector increases and reinforces the initial stimulus - answer✔✔b) The effector opposes
the initial stimulus and shuts off when conditions return to the normal range
When you go outside on a hot summer day, your body temperature heats up above the normal
range. Receptors in your brain detect the change in body temperature. The brain activates nerve
cells that send messages to sweat glands, causing the body temperature to fall as the sweat
evaporates from the skin. What part of this feedback loop is the stimulus?
a) Increased body temperature
b) Nerve cells
c) Brain
d) Sweat glands - answer✔✔a) Increased body temperature
The vertebral region is superior to the:
a) Cervical region
b) Occipital region
c) Sacral region
d) Cephalic region - answer✔✔c) Sacral region
When you go outside on a hot summer day, your body temperature heats up above the normal
range. Receptors in your brain detect the change in body temperature. The brain activates nerve
cells that send messages to sweat glands, causing the body temperature to fall as the sweat
evaporates from the skin. What part of this feedback loop is the effector?
a) Increased body temperature
b) Sweat glands
c) Brain
d) Nerve cells - answer✔✔b) Sweat glands
What part of a feedback loop causes physiological responses to return the variable to the normal
homeostatic range?
a) Stimulus
b) Receptor (sensor)
c) Effector
d) Control center - answer✔✔c) Effector
Body parts that are described as medial are considered to be:
a) Closer to the point of origin
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