Bio 223A FINAL EXAM Flashcards
What is the abdominal muscle that has the origin at the pubis symphysis?
rectus Abdominis
What is the distribution of spinal nerve pairs?
cervical 8, thoracic 12, lumbar 5 and coccygeal 1
Which muscle causes wrinkles around the eye?
Orbicualris oculi
Which type of contraction in the muscle produces an increasing tension as the length remains constant?
Isometric contraction
What do we call the time in which the tissue can not repsond again?
Refractory period
In what type of contraction is the condition in which the muscle fiber only partially relaxes between contractions?
Incomplete Tetanus
What would happen if there is a lack of ACh in the synaptic cleft?
Continuous muscle contraction
When ACh binds to a membrane-bound receptor and causes ligand channels to open, what does that result in?
Depolarization
You have an 80-year-old patient that has a bent-over stance that has a humpback and osteoporosis, what is this patient inflicted with?
Kyphosis
What skin color is the result of?
Quantity of melanin
If a toxic drug inhibited mRNA synthesis, what would be directly affected?
Protein synthesis
What term do we use if there is a bulk intake of material through the plasma membrane by vesicle formation?
Endocytosis
If there is damage to the vestibular branch of the vestibulocochlear nerve, what would be affected?
Loss of balance
What is the contractile structure that surrounds the pupil?
iris
What do we call the transparent anterior portion of the sclera?
Cornea
If your patient presents with hesitant and distorted speech what is damaged?
Brocas area
Which area of the cortex is necessary for understanding and formulating speech?
Wernicke area
What do we call the sensory structures that detect taste?
Taste budsT
he branch of which nerves are anesthhetized before childbirth with the spine?
Pudendal nerve
What structure provides a fluid-filled cushion that reduces friction?
Bursa
Your patient has been diagnosed with a tumor that is on the gland that sits on the sella turcica, what gland is this?
Pituitary gland
What are the basic units in compact bone tissue?
Haversian canal or osetons
What type of bone tissue contains interconnecting plates called trabecuale?
Spongy bones
What is the disease in children that is characterized by soft bone?
Rickets