Liv anatomy
A tissue is
a group of cells that act together to perform specific functions
If you are standing on your head, your peritoneum is considered to be __ to your mediastinum
inferior
The kidneys are _______ to the small intestines.
posterior
A gland formed by cells arranged in blind globular pocket with a single unbranched duct would be called
simple tubular
A tissue has the following characteristics: free surface, single layer of cells, cells are narrow and tall, microvilli, many mitochondria, goblet cells. Which ones are the most consistent? 1. Active transport 2. Simple epithelium 3. Stratified epithelium 4. Columnar epithelium 5. Cuboidal epithelium 6. Squamous epithelium 7. Secretion by exocytosis 8. Movement of mucous across its surface
1, 2,4,7
Which of the following statements are true? 1.a portion of the liver is found in the right inguinal region 2. the urinary bladder is located in the hypogastric region 3. the coronal suture divides the skull into upper and lower sections 4. the prone position refers to the body lying in a facedown fashion
2. the urinary bladder is located in the hypogastric region 4. the prone position refers to the body lying in a facedown fashion
What type of cells contains large amounts of triglycerides?
Adipocytes
__ tissue is highly vascular, whereas ___ is not
Areolar; cartilage
which of the following epithelial types is MISMATCHED with its function a. simple epithelium - diffusion b. stratified epithelium- protection c. squamous epithelium- stretching d. cuboidal epithelium- absorption e. columnar epithelium - secretion
C. squamous epithelium- stretching
What type of epithelium has the following characteristics: multiple layers, squamous cell shapes, dead outer layers of skin cells, and keratin present in some cells?
Stratified keratinized squamous epithelium
____ epithelium found in the urinary bladder resembles ____ epithelium but the apical cells are rounded, not flattened
Transitional, stratified squamous
What attaches epithelial cells to the basement membrane? 1. hemidesmosomes 2. desmosomes 3. tight junctions 4.gap junctions 5. all of the above
all of the above
Which of the following phrases is least likely to be used when describing blood? 1. Platelets help prevent hemorrhages 2. An increase in red blood cells leads to polycythemia 3. Leukemia is a cancer of white blood cells 4. Hematocrit is the percentage of blood in your body 5. Blood is a connective tissue
blood is a connective tissue
which of the following muscle tissue is MISMATCHED with its feature? a. smooth muscle - no striations b. cardiac muscle - branched c. skeletal muscle- many more mitochondria than other cells d. cardiac muscle- multinucleated e. smooth muscle- involuntary
c. skeletal muscle- many more mitochondria than other cells
The left great toe is ___ to the left little toe
contralateral
All of the following are basic processes of life EXCEPT: a. breakdown of chemicals b. reproducing a cell to become undifferentiated c. movement d. environmental stimulus causing it to respond e. growth of a cell
d. environmental stimulus causing it to respond
what type of process conducts nerve impulses toward the cell body?
dendrites
Epithelial tissue that can stretch or is subjected to stress would have many
desmosomes
A condition of atypical cells that are abnormal in size, shape, or organization but have not yet become cancerous is called:
dysplasia
Which of the following examples does not demonstrate the principle of negative feedback? a. a rise in estrogen levels stimulates the production of a hormone that stimulates estrogen production b. a decrease in room temperature activates a thermostat, which increases heat output by a furnace c. a decrease in blood sugar stimulates the release of a hormone that increases blood sugar d. a rise in blood calcium levels stimulates the release of a hormone that lowers blood calcium levels e. all of the above are examples of negative feedback
e. all of the above are examples of negative feedback
An infection would most likely increase phagocytic activity in
elastic tissues
What tissue has the ability to repair itself most rapidly
epithelium
The __ region of the lower limb is proximal to the __ region of the same limb
femoral, crucal
The replacement of damaged tissue with scar tissue is called
fibrosis
The spleen belongs to which body systems?
lymphatic and immune system
__ glands (such as tear glands) have vesicles that release their secretion by exocytosis, whereas ___ glands (such as oil-producing glands) secrete a mixture of disgenerated cells and their products
merocrine, holocrine
When you exercise you generate excess heat and your body temperature rises. Blood vessels dilate in the skin, warm blood flows closer to the body surface, and you lose heat. This exemplifies
negative feedback
An _______________ is composed of two or more tissues types, whereas ____________ are microscopic structures in a cell
organ, molecules
In a negative feedback mechanism, the response of the effector
reverses the original stimulus
Astronauts in zero gravity are able to move food through their digestive tracts because
smooth muscle produces waves of contractions that propel material through the digestive tract.
The most superior segment of the upper limb is called
the brachial region
the __ cavity contains the lungs, which are enfolded in the ___
thoracic, pleurae
Epithelial tissue is characterized by
tightly packed cells
The ____ wraps around stomach, small intestine, and large intestine
visceral peritoneum