Gen Bio Chapter 11
The spinal cord is part of the ________ nervous system.
central
Bone, blood, and adipose, though they seem different, are all _____, which binds to or provides support for other tissue.
connective tissue
In maintaining homeostasis, there are two kinds of feedback loops—positive and negative. Which of the following is an example of a positive feedback loop?
contractions of the uterus during childbirth
Organs are made up of a collection of ________ to perform a specific function.
different types of tissues
Food undergoes three kinds of processing in the body. All cells perform metabolism, but _____ and _____ are processes performed by the digestive system.
digestion; absorption
Maintaining a steady-state internal environment, despite a changing external environment, is called ________.
homeostasis
Addictive drugs hijack the brain's reward circuit which evolved to continue survival by eating and reproducing. Abused drugs achieve high by ________ environmental stimuli possessing survival value and interacting with the brain's reward circuitry
imitating
Response to a stimulus, such that the effect of the stimulus is counteracted, is called ________ feedback.
negative
Ependymoma Grade III, also known as an anaplastic ependymoma, is a type of cancer that can form in the brainstem of small children. If a tumor were left untreated, the patient would most likely die from
no longer breathing.
The release of an egg from an ovary is called ________.
ovulation
The main role of the liver is to ________.
produce bile, which helps the process of digestion
Tissues are made up of ________ that work together to perform a function.
similar cells
The largest organ, which helps maintain homeostasis through protection, temperature regulation, and sense organ activity, is the
skin.
Most of the absorption of nutrients (besides water) takes place in the ________.
small intestine
Genital herpes is a sexually transmitted disease caused by a ________.
virus
Visual interpretation of what you see occurs in the
visual cortex of the cerebrum.
How is diabetes linked with homeostasis?
Diabetes results from the body not responding with a negative feedback to the level of glucose in the blood.
When is an unborn child called a fetus?
From the 9th week of pregnancy to birth
What is the role of the epithelium?
Helps protect the body from the external environment
What are the four stages of food processing, ordered from beginning to end?
Ingestion, digestion, absorption, elimination
Connective tissue is the most variable of the tissue types. Which one of the following is not categorized as connective tissue?
Skin
The main role of the large intestine is to ________.
absorb water
________ are chronic relapsing psychiatric disorders characterized by the compulsive and dyscontrolled use of a drug or activity, with maladaptive and destructive outcomes. This is the definition of
addictions
There are many organs that make up the digestive system. The primary organs of the digestive system make a long tube called the
alimentary canal.
HPV is associated with diseases like... nongenital warts genital warts cervical and anal cancer all of the above
all of the above
Form refers to ________, and function refers to ________.
anatomical structure; physiological actions
Sound interpretation of what you hear occurs in the
auditory cortex of the cerebrum.
Which of the following is a type of essential nutrient? Minerals Incorrect Response Organic vitamins Essential amino acids All of the above are types of essential nutrients.
All of the above are types of essential nutrients.
Which of the following forms of contraception is removable?
An intrauterine device
Sound is "heard" when sound waves cause structures inside your ears to physically vibrate. A signal is then sent to your brain where it is interpreted as sound. What type of receptor in the ear is responsible for the sense of hearing?
Mechanoreceptors
What carries a signal from one neuron to the next?
Neurotransmitter
Why is it true that the longer you are in a newly painted room, the less you are able to smell the paint?
Olfactory receptors are extremely sensitive; they also easily adapt to odors and lose their ability to respond quickly.
Where does the fertilization of the egg occur?
Oviduct
Which accessory organ's secretions neutralize stomach acid before it reaches the intestines?
Pancreas
What moves the food from your mouth to your stomach when you swallow?
Peristaltic muscle contractions
________ refers to how a body system functions, and ________ refers to the structure of a body part.
Physiology; anatomy
From production through ejaculation, which is the correct pathway for a sperm cell?
Testis → Epididymis → Vas deferens → Seminal vesicles → Prostate gland → Penis
What is the role of the villi?
To absorb small nutrient molecules from the digestive tract
Scurvy is caused by a lack of which nutrient?
Vitamin C
What would happen if the sensory neurons in your hand could not transmit a signal?
You could move your fingers but you could not feel something touch them.
MS, otherwise known as multiple sclerosis, is a disease that can affect the myelin sheath of neurons (nerve cells). A person with MS essentially gets "holes" in the myelin, which is called demyelination. When initially inflicted with this disease, a person might notice abrupt muscle movements because the electrical impulse is not able to travel efficiently in the neuron. decreased coordination a and b non of these
a and b
What causes a stomach ulcer?
a bacterial infection
