Lectures 2-7 Week 1 & 2 Combined Flashcards
CFP Midterm Review Week 1 and a few other other random questions.
What is the lithotomy position?
for examination of genitals and anal area, hips and knees fully flexed, thighs separated
What is the coronal?
the front plane, frontal section
What is the midsagittal?
the median plane/median section
What is the axial?
Transverse, XS - cross section
Anterior
towards the front - coronal plane
Posterior
towards the back
Superior
towards the head….horizontal plane
Inferior
towards the feet
Medial
towards the midline…sagittal plane
Lateral
away from the midline
Ventral
(Anterior) towards the belly
Dorsal
(Posterior) towards the back
Cranial/Rostral
(Superior) towards the head
Caudal
towards the tail
Proximal
nearer to the trunk
Distal
away from the trunk
Ipsilateral
of the same side
Contralateral
of the opposite side
What type of x-rays are more likely to pass through?
High energy x-ray
What is more likely to absorb x-rays?
Higher atomic number (larger atoms)
What are microfilaments made of?
Actin Filaments- G-actin (free molecules in cytoplasm)- F-actin (polymerized in a filament) & ATPmake microvilli & stereocilia
What are microtubules made of?
Alpha & Beta tubulin protein subunits GTP dependent Functions: 1) intracellular transport (movement of vesicles & organelles2) Cell motility (cilia and flagella)/elongation and movement3) Mitotic Spindle (attachment of chromosomes & movement during cell division)4) Rigid intracellular skeleton5) Assemble & disassemble as cell need changes
Where is Loose (areolar) connective tissue found?
It’s apart of connective tissue proper and it surrounding • muscles • nerves • blood vessels– Contains more cells than collagen fibers
Where is dense regular tissue found?
– Tendons – Ligaments – CorneaIt’s characterised by more collagen then cells
Where is irregular dense connective tissue found?
Dermis of skin, collagen fibers randomly oriented
What are fibroblast?
Principal cell of connective tissue, main cell involved in wound repair, Makes collagen, elastin, reticular fibers & complex carbs of ground substance
What are macrophages?
aka tissue histiocytes, are phagocytic cells derived from monocytes in bone marrow, look like kidney shaped cells (hard to identify), function is to ingest and breakdown foreign matter, they stimulate the immune response
What are mast cells?
they are oval and cytoplasm is filled w/ basophilic granules, store chemical mediators of inflammatory response, found in small blood vessels, capsules of organs and within organs near vessels, ABSENT from brain and spinal cord (protects from damage due to deem from allergic reactions)
Where do adipose cells differentiate from?
fibroblast & mesenchymal cells
Name two types of lymphocytes.
T lymp - cell-mediated immunity & b lymph production of antibodies (humeral immunity), B lymph can divide in presence of antigens
What are Plasma Cells?
derived from b lymph, limited migratory ability, lives 10-30 days, large cells, Ovoid and lots of basophilic cytoplasm, makes antibodies
Eosinophils, Monocytes and Neutrophils
migrate from blood to connective tissue in response to injury and inflammation (especially neutrophils followed by monocytes)
Basophils
basophilic granules - cytoplasm, release of histamine from basophilic grannies enhances vascular response to insect bites
Collagen Fibers
most abundant fibers in connective tissue, appear wavy, variable in lengths, stain easy w/ Eosin (acid dye)
Reticular Fibers
type III collagen, supporting frame work for cellular constituents of tissue and organs, form supporting storm in hemopoietic and lymphatic tissue (not thymus) ABUNDANT in lung and liver tissue
Elastic fibers
enables tissue to stretch and distend, are thinner than collagen, large amounts look yellowish, fibers are interwoven w/ collagen, prevents tearing
Ground Substance
occupies space b/w cells and fibers, mixture of fluid, adhesion proteins, proteoglycans, gel-like stuff, stains w/ PAS stain but is often lost in H&E preps, consist largely of PROTEOGLYCANS & HYALURONIN ACID, functions as glue, lubricant and barrier
What is Ehlers-Danlos type IV disease?
deficiency of type III collagen–rupture of arteries and intestines
Epithelial tissue is characterized by each of these traits, except that ____________.
A) it lacks blood vessels
B) it functions in secretion, absorption, and excretion
C) epithelial cells are loosely packed and have much intercellular material
D) it is anchored to a basement membrane
C) epithelial cells are loosely packed and have much intercellular material
Microvilli, which function to increase surface area, are more likely to be found in ____________ epithelium.
A) simple cuboidal
B) simple squamous
C) transitional
D) simple columnar
D) simple columnar
Epithelium that appears layered due to the varying levels at which nuclei are found in cells, but in reality is not layered, is _________________.
A) transitional epithelium
B) pseudostratified columnar epithelium
C) stratified squamous epithelium
D) stratified columnar epithelium
B) pseudostratified columnar epithelium
The outer layer of the skin is composed of ______________________.
A) transitional epithelium
B) pseudostratified columnar epithelium
C) stratified squamous epithelium
D) stratified columnar epithelium
C) stratified squamous epithelium
What type of epithelium lines the urinary bladder and is capable of distention?
A) stratified cuboidal epithelium
B) stratified squamous epithelium
C) transitional epithelium
D) stratified columnar epithelium
C) transitional epithelium
An exocrine gland that loses small parts of its cell bodies during secretion, as is the case for the mammary gland, is further classified as a(n) ____________ gland.
A) merocrine
B) apocrine
C) holocrine
D) endocrine
B) apocrine
Connective tissues are somewhat similar to epithelial tissues in all of these characteristics except ___________________.
A) they have abundant intercellular material B) they can usually reproduce themselves C) they often serve more than one function D) they occur throughout the body
A) they have abundant intercellular materia
What function do fibroblasts serve in connective tissue?
A) carry on phagocytosis
B) secrete heparin that prevents blood clotting
C) secrete proteins that become fibers in the connective tissue matrix
D) release histamine associated with allergies and inflammation
C) secrete proteins that become fibers in the
The type of cartilage found in intervertebral disks of the vertebral column is ________________.
A) hyaline cartilage B) elastic cartilage C) yellow cartilage D) fibrocartilage
D) fibrocartilage
Which muscle tissue is multinucleate, voluntary, and bears striations?
A) skeletal muscle
B) smooth muscle
C) multiunit smooth muscle
D) cardiac muscle
A) skeletal muscle
Neuroglial cells help neurons in each of these ways, with the exception of _______________.
A) supporting and binding nervous tissue B) carrying on phagocytosis
C) playing a role in cell-to-cell communications
D) transmitting nervous impulses
D) transmitting nervous impulses
Which of the following is not one of the four major types of tissues?
A) epithelial
B) connective
C) nervous
D) skeletal muscle
D) skeletal muscleFor FTM - know EmbryonicConnective tissue proper (loose & dense (irregular and regular))Specialzied-adipose-bone-blood-cartilage
The kidney tubules are lined with _____ epithelial cells.
A) columnar
B) cuboidal
C) squamous
D) ciliated
B) cuboidal
What type of tissue is found on the surface of the ovaries?
A) simple squamous
B) simple columnar
C) simple cuboidal
D) stratified epithelium
C) simple cuboidal
Connective tissue is complex because it has a variety of cells and a noncellular background called a_____ surrounding them.
A) collagen
B) elastin
C) mucous secretion
D) matrix
D) matrix
Which of these is not a connective tissue?
A) blood B) bone C) muscle D) cartilage
C) muscle
What type of tissue holds most organs together?
A) adipose
B) muscular
C) dense connective
D) loose connective
C) dense connective
The type of proteins that guide cells on the move in the bloodstream to their destination at a wound site are _____________.
A) cell adhesion molecules
B) desmosomes
C) gap junctions
D) tight junctions
A) cell adhesion molecules
In what part of the nucleus does ribosome production occur?
A) within nuclear pores
B) in the chromatin
C) in the area of the nucleolus
D) Ribosome production does not occur in the nucleus.
C) in the area of the nucleolus
During what phase of the cell cycle does DNA replication occur?
A) mitosis
B) prophase of mitosis
C) G2 phase
D) S phase
D) S phase
Which types of genetic control normally hold mitosis in check?
A) oncogenes
B) cell adhesion molecules
C) tumor suppressor genes
D) epidermal growth factors
C) tumor suppressor genes
The _____ is a system of membranes designed to transport molecules within and out of cells.
A) vacuole
B) chromatin
C) nucleolus
D) endoplasmic reticulum
D) endoplasmic reticulum
Flagella can occur on the cells of the following except:
A) sperm B) kidneys C) intestine D) testes
C) intestine
Movement of molecules from low to high concentrations is _____.
A) facilitated diffusion
B) active transport
C) passive transport
D) dialysis
B) active transport
At which stages does the chromosome number double?
A) prophase B) metaphase C) interphase D) telophase
C) interphase
The process of _____ explains how embryonic cells become specialized and diverse.
A) mitosis B) meiosis C) interphase D) differentiation
D) differentiation
The main division process in the early embryo is _____.
A) mitosis B) meiosis C) karyokinesis D) metastasis
A) mitosis
Jacky is a 26 year old lady who has dysfunctional uterine haemorrhage and was asked to undergo a Papanicolaou test which was her first time. Which of the following would be the most appropriate position?
a) In the Lithotomic position which is lying down with knees fully extended and feet adducted with arms on her side.
b) In the fetal position which is body erect with feet together and upper limbs abducted and trunk hyper extended.
c) In the Lithotomic position which is supine with the buttocks at the edge of the table, hips and knees in a flexed position with feet separated and stabilized.
d) In an Ambulatory position which is lying down with the face directed downwards and feet together with upper limbs fully abducted.
e) In an Anatomical position which is body erect with lower limbs abducted and flexed at the knees.
c) In the Lithotomic position which is supine with the buttocks at the edge of the table, hips and knees in a flexed position with feet separated and stabilized.
Which of the following best describes the cell type that digests the extracellular matrix of bone?
A. Osteocyte B. Chondrocyte C. Osteogenic D. Osteoclast E. Osteoblast
D. Osteoclast
Which of the following best describes the structures that allow communication between osteocytes?
A. Volkmann’s canals B. Nutrient foramen
C. Interstitial lamellae D. Canaliculi E. Haversian canals
D. Canaliculi
Which of the following best describes the most abundant class of plasma membrane lipid?
A. Cholesterol B. Glycolipid C. Phospholipid D. Glycoprotein E. Triglyceride
C. Phospholipid
Which of the following best describes a type of passive transport?
A. Exocytosis B. Pinocytosis C. Phagocytosis D. Facilitated diffusion E. Receptor-mediated endocytosis
D. Facilitated diffusion
Which of the following best describes the cytoskeletal component associated with desmosomes?
A. Actin filament B. Intermediate filament C. Microfilament D. Microtubule E. Centriole
B. Intermediate filament
Which of the following best describes the organelle that functions in the generation of adenosine triphosphate?
A. Endoplasmic reticulum B. Golgi apparatus C. Lysosome D. Mitochondria E. Peroxisome
D. Mitochondria
Which of the following best describes the type of epithelial tissue lining blood vessels?
A. Stratified cuboidal B. Simple squamous C. Simple columnar D. Simple cuboidal E. Stratified squamous - nonkeratinized
B. Simple squamous
Which of the following best describes the type of cell junction that functions to attach an epithelial cell to the basement membrane?
A. Adherens junction B. Desmosome C. Gap junction D. Hemidesmosome E. Tight junction
D. Hemidesmosome