Multiple Choice Flashcards
A motor pool consists of _____________________
all motor units involving one muscle
Which of the following is/are voluntary muscles?
biceps
Which of the following is/are striated muscles?
deltoid muscles
Which of the following neurotransmitters is released at the neuromuscular junction?
acetylcholine (Ach)
Muscle contractions generate heat. How much of body heat is produced by skeletal muscle activity?
40%
During rest and recovery from arduous physical activity, rapid and deep breathing promotes:
oxygen supply to muscles
Which of the following is not a function of muscles?
neutralizing the force of gravity
Anabolic steroids are used effectively to treat _______________
muscle wasting diseases
What aspect of the activities of skeletal muscles is considered involuntary?
muscle tone
John Hughlings Jackson (1835-1911) stated many years ago “The cortex knows nothing of muscles; it knows only movements.” Today’s neuroscience considers this statement:
by an large factual
????
Prolactin is a _____________
pituitary gland hormone
Which of the following hormones is associated with the organism’s reaction to stress?
adrenocorticotropic hormone
Inhibitory Factors are released by the hypothalamus in response to one of the following:
Negative feedback regarding the system’s variable in question
Which of the following hormones is associated with migratory behavior of birds?
melatonin
A Releasing Factor is a hormone secreted by the _____________
hypothalamus
The endocrine system is not considered directly involved in one of the following
social behavior
Hyposecretion of Antidiuretic Hormone leads to a condition of _________
excessive urine output
Iodine is an essential element needed for the synthesis of one of the following hormones
thyroxin
One of the following is considered a good speculation for having a constant body temperature. Which one was presented in class?
animals gain advantage by being as warm as possible
Which of the following is a normal body reaction to heat?
increased respiration
Which of the following is a normal body reaction to cold?
constriction of cutaneous blood vessels
An elevation of 4 to 6 degrees Celsius above normal body temperature ______
can be fatal
Drastic reduction in blood volume can result in______________
low blood pressure
An increase in secretion of vasopressin (ADH) will result in ____________
antidiuretic response
Salty foods trigger _____________
hypertonicity in the interstitial liquid environment
The best quality of proteins can be found in_____________
meat products
Which of the following are rich in minerals?
vegetables
Which of the following is not considered a factor regulating food intake?
body height
Most breakdown of proteins occurs in the :
stomach
Enzymes in the saliva break down ______________
carbohydrates
Osmotic thirst can be the result of _______________________ :
eating salty food
Hypovolimic thirst can be the result of __________________
loss of blood during surgery
Which of the following statements is not correct?
The supply of ova available for a female is determined around puberty
The Mullerian Inhibitory Hormone has a ___________ effect on the ________
masculinizing; gonads
**I think it’s actually…
de-feminizing; internal sex organs
When the body is experiencing fever _________:
white cells’ count is elevated
Baroreceptors capable of detecting changes in blood volume can be found in
the large veins
The activation of the “fight-flight” mechanism in an adult is usually
triggered _______________
by the perception of a threatening event
In the morning, after 8 hours of sleep, your blood system has _____________:
low levels of glucose
Masculinization of the gonads is triggered by:
Testis determining factor
Given the discussion in class on the Fight-Flight Response, chronic exposure to traumatic life circumstances will (most likely) result in
hyperactive locus coeruleus
The developmental trajectory (maturation) of the brain is one of the following
A bottom up process; from the brain stem to the cortex
Which of the following is not considered a hippocampal contribution?
Nonverbal skilled learning
Iconic memory is best described as a ______________
sensory memory
Most researchers agree that an emotional response includes several components. Which of the following is not considered a component of an emotional reaction?
Acquired component
Which of the following neurotransmitters is known to inhibit aggression and anti-social behavior?
serotonin
Which of the following processes happen in the large intestines?
absorption of minerals
Our body needs insulin to ___________________
mobilize glucose to starving cells
Lesions in the amygdala can result in _________________
Impaired capacity to acquire conditioned emotional responses
Which of the following statement is not correct?
Dopamine is important for Classical Conditioning associations
- Which of the following is not correct?
The hippocampus is involved with procedural memory
