Feedback Mechanism
When body temperature is higher than the normal range, the hypothalamus controls the mechanism that lowers the body temperature. What is the hypothalamus considered in this example?
Control center
If an individual has inflammation of the esophagus, which body system is affected?
Digestive
A dentist assesses structures including the teeth and tongue in which region?
A Ocular
B Oral
C Orbital
D Otic
B Oral
A surgeon makes an incision that divides the patient's abdomen into superior and inferior parts. In which plane did the surgeon make the incision?
Transverse
Frontal
Straight cut
Coronal
Transverse
Using directional terminology, where is the brachial region in relation to the abdomen.
Anterior
Distal
Lateral
Medial
Distal
Which of the following sequences is correct regarding feedback mechanisms?
Effectors send information to receptors, which alert the control center.
The control center sends information to receptors, which alert effectors.
Receptors send information to the control center which regulates effectors.
Receptors send information to other receptors, which regulate effectors.
Receptors send information to the control center, which regulates effectors.
To which system do both the thyroid gland and they hypothalamus belong?
Digestive
Endocrine
Skeletal
Nervous
Endocrine
The epidermis is the top layer of skin compared to the underlying dermis of the skin. Using directional terms, where is the epidermis located in relation to the dermis?
Lateral
Superficial
Deep
Proximal
Superficial
During anatomy lab, students dissect a heart by cutting it into right and left portions. In which plane did the students make this incision?
Transverse
Universal
Sagittal
Deep
Sagittal
When a dissection is performed within the oblique plane, which of the following is true?
The dissection will create superior and inferior parts of the body region.
The body region will be dissected at an angle.
The dissection will divide the body region into anterior and posterior portions.
The body will be dissected into the right and left parts.
The body region will be dissected at an angle.
In general, what are the consequences if the body does not closely regulate negative feedback mechanisms?
Homeostasis is not maintained.
A female patient is having difficulty with functions of the reproductive system. Which organ may be involved in the condition?
brain
heart
uterus
bladder
uterus
If a patient has a head injury, which body region is affected?
Carpal
Lumbar
Cephalic
Sacral
Cephalic
A doctor refers a patient for an MRI image of the frontal plane. Into which division would this plane divide the imaged body part?
Inferior/superior
Anterior/posterior
Medial/lateral
Proximal/distal
Anterior/posterior
If a region of the body is medial, what does this imply?
Toward the midline of the body.
Which of the following descriptions defines homeostasis?
Maintains a stable internal environment.
The sum of all the body's reactions.
The goal of positive feedback mechanisms.
Creating energy in the form of ATP.
Maintaining a stable internal environment.
Which body system is correctly paired with its function?
The urinary system
The endocrine system
The skeletal system
The nervous system
The endocrine system
Which of the following sequences lists the body regions correctly in order from the most superior to the most inferior?
Brachial, coxal, orbital
Costal, carpal, cephalic
Pectoral, otic, coxal
Ocular, lumbar, coxal
Ocular, lumbar, coxal
Using directional terms, what is the plane if the brain is cut separating anterior and posterior?
Proximal/distal
Superior/inferior
Frontal/coronal
Anterior/posterior
Frontal/coronal
Skeletal muscle is located in between bone and skin. Which directional term is most appropriate to describe the location of the skeletal muscle?
Anterior
Intermediate
Medial
Proximal
Intermediate
Which of the following is a true statement regarding feedback loops?
Effectors within negative feedback loops work in opposition to a stimulus.
Negative feedback loops involve an effector that detects imbalances.
Negative feedback loops increase the effect of a stimulus.
Negative feedback loops discourage a return to homeostasis.
Effectors within negative feedback loops work in opposition to a stimulus.
When an individual touches a hot stove with their hand, the withdrawal reflex causes them to quickly remove their hand. Which body system regulates such reflexes?
Excretory
Reproductive
Endocrine
Nervous
Nervous
Following a car accident, a patient has a bruise across their chest. Which regional term is used to describe the location of this bruise?
Brachial
Cervical
Coxal
Pectoral
Pectoral
A MRI image was taken as if it cut the cephalic region into right and left parts. In which plane is the image taken?
Sagittal
Which comparison using directional terms is correct?
The skin is deep to the muscle.
The eye is lateral to the ear.
The belly button is superior to the head.
The nose is anterior to the spine.
The nose is anterior to the spine.